javascript - change some css property in a wordpress theme using jquery -


i want create one(or two) button(s) switch theme dark bright, didn't know jquery read in w3schools , other references wrote jquery function change properties in css file:

<script> $(document).ready(function(){     $("button").click(function(){         $("p").css({             "color": "white",          });         $("div").css({ "background-color" : "black",});     }); });  </script>

i put script in bottom of header tag in header.php file, , add button footer of site

<button class="bright">طرح روشن</button>

but when click on button nothings happen, when try code on w3shcools editor works button in my wordpress site nothing. here code in w3shcools editor:

<!doctype html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> <script> $(document).ready(function(){     $("button").click(function(){         $("p").css({             "color": "white",             "background-color": "#98bf21",             "font-family": "arial",             "font-size": "20px",             "padding": "5px"         });     }); }); </script> </head> <body>  <button>set multiple css properties p elements</button>  <p>this paragraph.</p> <p>this paragraph.</p>  </body> </html>

and if there way call function "href" grateful me how can call it.

you have syntax error, try this,

<script> $(document).ready(function(){     $("button").click(function(){         $("p").css({             "color": "white"          });         $("div").css({         "background-color" : "black"});     }); });  </script>

you had , after "background-color" : "black" , "color": "white"

and yeah, add jquery library, if haven't this,

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>

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